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From: "dsmith at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/22582] SystemTap 3.2 stap script compilation error opt
Date: Tue, 12 Dec 2017 15:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D22582

--- Comment #5 from David Smith <dsmith at redhat dot com> ---
I took a look at your attachments. Your
stapconf_1ddada75a347accc585e3d1a06438f1e_713.h file doesn't contain
STAPCONF_UTRACE_VIA_TRACEPOINTS. This means that your kernel doesn't support
the 5 tracepoints systemtap needs to do userspace tracing. They are:

sched_process_fork, sched_process_exit, sched_process_exec, sys_enter, and
sys_exit

You can check for these tracepoints via the following:

=3D=3D=3D
# stap -l 'kernel.trace("sched_process_*")'
kernel.trace("sched:sched_process_exec")
kernel.trace("sched:sched_process_exit")
kernel.trace("sched:sched_process_fork")
kernel.trace("sched:sched_process_free")
kernel.trace("sched:sched_process_wait")
# stap -l 'kernel.trace("sys_*")'
kernel.trace("raw_syscalls:sys_enter")
kernel.trace("raw_syscalls:sys_exit")
=3D=3D=3D

If the sys_enter/sys_exit tracepoints are missing, that would mean your ker=
nel
doesn't have CONFIG_HAVE_SYSCALL_TRACEPOINTS.

--=20
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